World Dairy Expo is pleased to announce, after thorough consideration, World Dairy Expo 2021 will remain in Madison, Wisconsin. The 54th edition of the event is scheduled for Expo’s historic home. World Dairy Expo® is pleased to announce, after thorough consideration, World Dairy Expo 2021 will remain in Madison, Wisconsin. The 54th edition of the event is scheduled for Expo’s historic home, the Alliant Energy Center, September 28 – October 2, 2021. This announcement comes after contingency planning and consideration of alternative venues.